Rotary valve

US8936043B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8936043-B2
Application numberUS-201113216519-A
CountryUS
Kind codeB2
Filing dateAug 24, 2011
Priority dateAug 26, 2010
Publication dateJan 20, 2015
Grant dateJan 20, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A rotary valve includes a valve cap, a valve body, a rotary valve disk, and an actuator. The valve body includes first and second sets of fluid flow passages, with each set having a drain, a fluid inlet, a fluid outlet and a fourth passage connected to the fluid outlet passage. The rotary disk includes first and second connecting passages. The actuator and rotary disk have first and second positions in which various passages of each set of fluid flow passages aligned with and connected by the connecting passages and a third position in which the fluid outlet passage of each set of fluid flow passages is connected to the drain passage of the other set of fluid flow passages.

First claim

Opening claim text (preview).

What is claimed is: 1. A rotary valve comprising a valve block, a cavity having a radially extending wall provided by the valve block, a valve disk rotatably disposed in the cavity, the valve block having a first and a second flow passage set, the first and second flow passage sets being circumferentially spaced apart from one another relative to a longitudinal axis of the valve block and valve disk, the first and second flow passage sets each including at least four circumferentia…

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Frequently asked questions

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What does patent US8936043B2 cover?
A rotary valve includes a valve cap, a valve body, a rotary valve disk, and an actuator. The valve body includes first and second sets of fluid flow passages, with each set having a drain, a fluid inlet, a fluid outlet and a fourth passage connected to the fluid outlet passage. The rotary disk includes first and second connecting passages. The actuator and rotary disk have first and second posi…
Who is the assignee on this patent?
Costin Peter, Riedel Ray, Parker Hannifin Corp
What technology area does this patent fall under?
Primary CPC classification F16K11/0743. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Jan 20 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).